1) dissolved inorganic carbon such as bicarbonate, is plentiful in the surface ocean. a- In one sentence, what is the biological pump? b- What must happen for dissolved organic carbon to get exported to the deep ocean via the biological pump? Describe at least 2 steps

Q: Please select the correct sequence of steps involved in the creation of a dead zone in a water body.…

A: Dead zones are the regions of waterbodies which do not support life. These zones are devoid to…

Q: Which of the following is NOT a mechanism of how microbes are able to reach deep subsurface portions…

A: Microbes  Microbes are the organism that are not visible to naked eyes.

Q: Why are organisms in the abyssal zone of the ocean necessarily halophilic, psychrophilic,…

A: The three major life zones in ocean are estuarine zone, bathyal zone and abyssal zone.

Q: What does the failure to sustain water availability underground has resulted?

A: The water present in the soil pore spaces, rocks, and sand beneath the surface of the earth is…

Q: Explain in simple terms “acidic rainwater can leach aluminum from soil clay particles and then flow…

A: An ecosystem is a population of plants, animals, and other species, including air, water, and soil,…

Q: Explain the concepts cycling and nitrogen circulation in brief?

A: Nitrogen (N2) or dinitrogen is a vital micronutrient for life as it is an important component of…

Q: The diagram shown here illustrates a typical marine food web that can be contaminated with mercury.…

A: When two or more than two food chains interconnect with each other to form a food chain network, it…

Q: Some of the organic material manufactured in estuarine communitiesis exported to other ecosystems.…

A: Answer: Introduction: Estuaries means specific regions where the river and seawater combine. The…

Q: The chemical representation of algae is C106H263O110N16P. The Gulf of Mexico contains 0.2 mg/L of…

A: Algae represents a wide group of photosynthetic organisms. They may be considered as protists and…

Q: Design an experiment to solve the following problem:Determine the rate of methanogenesis (CO2 + 4H2…

A: Methanogenesis is process of methane formation by methanogens (microorganisms can produce methane).…

Q: If earth is filled in di-nitrogen gas, why is the productivity of so many ecosystems limited b…

A: Nitrogen is the 7th element in the periodic table. It is discovered in 1772 by the Scottish…

Q: Describe the possible effects of acid deposition; On lakes On oceans On soil On plant life

A: When the chemical reactions occur due to the absorption of carbon dioxide and results in the reduced…

Q: Which of the following does not vary predictably with the depth ofthe aquatic environment?a.…

A: In aquatic environment, the amount of dissolved oxygen, nutrients, temperature and penetration of…

Q: In many countries, irrigation is depleting aquifers to such an extent that land is subsiding,…

A: Pumping water out of the ground faster than it is replenished over the long-term causes problems of…

Q: What might be some sources of error in conducting a water tests?

A: "Since you have asked multiple questions, according to our guidelines we are eligible to answer only…

Q: 38. The oceanic zone is much less productive per square meter than the neritic zone because: (a) it…

A: Hello! Since you have asked multiple question, we will solve first three questions for you. If you…

Q: How long does it take for pollutants to be flushed out of the largest of the Great Lakes (Lake…

A: Lake Superior, Lake Michigan, Lake Huron, Lake Erie and Lake Ontario are the five great Lakes. Lake…

Q: Aquatic organisms that are hypoosmotic relative to the surrounding water tend to A. Gain water from…

A: Aquatic organisms that are hyposmotic relative to the surrounding water tend to gain salts from the…

Q: BOD correlates to A) O the amount of organic material in water B) O the level of photosynthetic…

A: Biological Oxygen Demand (BOD) represents the amount of oxygen consumed by bacteria and other…

Q: Reverse electron transport makes unique ecological niches available to microorganisms. Explain this…

A: Electron transport chain is the process of oxidative phosphorylation that starts with a sequential…

Q: .List three “special” characteristics of water that influence living organisms.  Then for one of…

A: Living organisms need water to survive. Water also helps many organisms regulate metabolism and…

Q: You are testing a sample of water from a nearby lake that has very few fish living in it and you…

A: Diffusion from the environment, aeration of the water as it tumbles downfalls and rapids, and as a…

Q: Which of the following statement about CBOD and NBOD is wrong? O CBOD is carbonaceous biological…

A: BOD ( Biochemical Oxygen Demand) refers to as, the amount of dissolved oxygen needed by aerobic…

Q: Scientists study bubbles trapped in ancient glacial ice todetermine how concentrations of nitrogen…

A: The phosphorus (P) cycle is a type of sedimentary cycle. The crust of Earth is the largest P…

Q: Water Cycle: Condensation, Evaporation, Runoff, Transpiration, Precipitation, Infiltration 1) Snow,…

A: The water cycle is a hydrologic cycle that can be defined as a continuous circulation of water…

Q: Which of the following terms describes a passive transport process? Group of answer choices Uphill…

A: Passive transport process is defined as movement of molecules or particles from  region of high…

Q: Which of the following could be an effect of an excess ofsewage running into a freshwater…

A: Due to the contamination of fresh water by sewage all of the above can takes place.

Q: Plants and algae need phosphates for growth. Many fish and other animals feed on aquatic plants and…

A: In the lake, aquatic ecosystem develops that contain different organisms which includes autotrophic…

Q: Why is release of sulfide from oxygen minimumzones infrequent, occurring at times of…

A: Oxygen minimum zones (OMZs) are the regions where the oxygen level is depleted at intermediate…

Q: Pollutant released due to human activities (like effluents from industries and homes) can radically…

A: The contamination of natural water bodies due to excessive human activity results in depleting water…

Q: What do you think are the multiple stresses that aquatic environments are exposed to? Where do these…

A: Stressors are the changes in the environmental conditions due to which there is decline in the…

Q: Why can’t marine organisms use the nitrogen gas dissolved in seawater?

A: Nitrogen is a critical constituent of chlorophyll, proteins, and nucleic acids. Nitrogen, like…

Q: Few synthetic organic chemicals are dangerous in the very low concentrations in which they enter the…

A: Water in the environment is polluted by various human activities. Industrialization is one of the…

Q: What determine what molecule will act as the predominant electron acceptor in a sediment layer? a.…

A: *Microorganisms present on subsurface environments competes for electron donors and acceptors . *As…

Q: Which form of Nitrogen is not available for organism growth represents which of these below? a. NH4+…

A: Nitrogen is the nutrient that typically generates the highest yield response in crop plants,…

Q: Hypoxia in the Gulf of Mexico is caused by:     "An overabundance of unicellular algal growth;…

A: The stratification prevents the mixing of oxygen-rich surface water with oxygen-poor water on the…

Q: Which of the following water sources will most likely have the highest amount of dissolved oxygen? O…

A: Water bodies absorb oxygen from the atmosphere and this amount of oxygen that present in water is…

Q: List two factors that will influence the movement of groundwater through sediments

A: Groundwater is the water found under the earth 's surface . It is present all or part of the empty…

Q: Waterborne microorganisms can survive in water with small amounts of nutrients but thrive in…

A: Introduction Water pollution is the contamination of water bodies when harmful substances often…

Q: In the sediments at the bottoms of ponds and lakes, there is often absolutely no O2 at depths of 0.5…

A: In silt of sand or mud at the lower part of an ocean or lake, the spaces between the mineral…

Q: Explain what is meant by “upside-down microbial energetics,” as described for some deep-subsurface…

A: Introduction: Microorganisms such as nitrate-reducing, sulfur-reducing, and methanogenic bacteria…

Q: According to the Berner Classification for aqueous environments, which of the following definitions…

A: Geochemical exploration is to analyse the amount of metals and ore which are present in rock or…

Q: Below you are provided with two scenarios of how excess nutrients can enter water systems. For each…

A: The water cycle comprises of 5 processes that help the water on Earth move in a cycle. These…

Q: CASE STUDY CONNECTION California’s governor has put you in charge of water policy for the state.…

A: In actuality, water management in California is an ongoing project that will never be completed.…

Q: Consider the processes associated with a lake, which of the following statements is true? Organic…

A: Lakes are bodies of water enclosed by land and are found in diverse habitats such as mountains,…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.